Home / 28,047,286.74-42,084,253.70-19,424,656.51

Finding the Fourth Proportional to 28,047,286.74, 42,084,253.70 and 19,424,656.51

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Solution

The fourth proportional to 28,047,286.74, 42,084,253.70 and 19,424,656.51 is: 29,146,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047,286.74 : 42,084,253.70 = 19,424,656.51 : x
  2. Step 2: Convert to fraction form
    28,047,286.74/42,084,253.70 = 19,424,656.51/x
  3. Step 3: Cross multiply
    28,047,286.74x = 42,084,253.70 × 19,424,656.51
  4. Step 4: Simplify right side
    28,047,286.74x = 817,472,172,654,787.50
  5. Step 5: Solve for x
    x = 817,472,172,654,787.50/28,047,286.74
  6. Step 6: Final answer
    x = 29,146,212.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.